PHONON

Phonon

In physics, a phonon is a collective excitation in a periodic, elastic arrangement of atoms or molecules in condensed matter, such as solids and some liquids. Often referred to as a quasiparticle, it represents an excited state in the quantum mechanical quantization of the modes of vibrations of elastic structures of interacting particles.

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phonon

Noun

  1. The quantum of acoustic or vibrational energy (sound), considered a discrete particle rather than a wave.


The above text is a snippet from Wiktionary: phonon
and as such is available under the Creative Commons Attribution/Share-Alike License.

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